Answer
In the 1993 crime drama film "Carlito's Way", Sean Penn played the role of Kleinfeld. Kleinfeld is a corrupt police officer who is involved in a number of criminal activities, including drug trafficking and money laundering. He is also responsible for the death of Carlito Brigante's (Al Pacino) girlfriend, Gail. Kleinfeld is eventually killed by Carlito after he attempts to frame him for the murder of Gail.